Answer:
Adenosine diphosphate
Chemical compound Adenosine diphosphate, also known as adenosine pyrophosphate, is an important organic compound in metabolism and is essential to the flow of energy in living cells.
Answer:
ATP (Adenosine tri-phosphate) is an important molecule found in all living things. Think of it as the “energy currency” of the cell. If a cell needs to spend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP (Adenosine di-phosphate) + phosphate.
Explanation:
Why is a decrease in genetic diversity bad?
A decrease in genetic diversity bad because it increases the risk of extinction of a population through inbreeding depression.
This is a result of despair brought on by inbreeding paired with a lack of ability to adjust to change. New alleles can be introduced in these situations to save the population. For a population to adapt to changing circumstances, genetic diversity is essential.
Genetic drift is a result of sampling error because individuals are randomly chosen when a population is sampled. A random selection is one in which each member of the population has an equal chance of being chosen.
The variety of various inherited features within a species is referred to as genetic diversity. There would be many people with a wide range of diverse traits in a species with significant genetic diversity. For a population to adapt to changing surroundings, genetic variety is essential.
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When cells are going through the steps of mitosis, they are
What term refers to a nerve signal moving through a nerve cell?
A.sliding filament model
B.humoral response
C.action potential
D.cell mediated
Answer:
Option C is correct ( Action potential)
Explanation:
a momentary reversal in electrical potential across a plasma membrane (as of a neuron or muscle fiber) that occurs when a cell has been activated by a stimulus.
1. Which of the following elements is the LEAST abundant in living organisms?
a oxygen
b nitrogen
c phosphorous
d sulfur
Answer
Sulfur is the least abundant in living organisms.
sulfur is the LEAST abundant in living organisms among the options.
Living organisms are composed of Chemical elements which constitute the build up organelles, cells, tissues, and organs.
The Chemical elements are divided into:
Essential elements : These essential elements are 11 in number ad also subdivided into the major essential elements which make up about 99% of the human body mass. They include Oxygen, hydrogen, nitrogen, carbon, calcium, and phosphorus. The remaining five (least essential elements) consists of Sulfur, potassium, sodium, chlorine, and magnesium which make up about 0.85% of the remaining mass. Trace elements:.The trace elements comprises of the remaining 0.15% of the human body is comprised of trace elements. Whether they may be essential for life, is still being researched for evidence.Arranging the essential chemical elements according to abundance in living orgasm we have:
Oxygen 65.0% of body massCarbon 18%Hydrogen 10%Nitrogen 3% Calcium 1.4 %Phosphorus 1.1% Potassium 1%SulfurChlorineMagnesiumWe can therefore conclude that from the question Sulfur is the least abundant in living organisms.
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Is the probability that a recessive allele gets lost during generations higher than the probability that a dominant allele gets lost?
Answer:
No. The probability of a dominant allele to be lost is less compared to the probability of the dominant allele.
Explanation:
The loss of alleles during the generations occurs during cases of natural selection, where individuals who have characteristics favored by the environment survive. However, natural selection acts on the phenotype of individuals and not on the genotype (where the alleles are). Thus, the probability that a phenotype caused by the recessive alleles will be lost over the generations may be greater than the probability that a phenotype caused by a dominant allele will be lost. However, the probability that this recessive allele will be lost is almost nil.
Let's look at an example: As we know, recessive alleles are only expressed in the phenotype if they are hom0zygous, that is, in pairs formed by two recessive alleles. However, heterozygous alleles (pairs formed by a recessive allele and a dominant allele) will express the phenotype determined only by the dominant allele. In this case, a population of lizards that have the dominant allele "A", for green lizards and recessive allele "b", for red lizards, will present individuals with the "AA" (green), "Ab" (green color) and "bb" (red color) allele pairs. If these lizards lived in the grass, natural selection would allow only green lizards to survive, as they would not be seen by predators. The red lizards would die and would not pass on the "bb" genotype for the next generations, but the recessive "b" allele would continue to be passed on to the next generations because it is part of the individuals with the "Ab" genotype that survived. If the grass were red, natural selection would allow the red lizards to survive, as they would not be seen by predators. Likewise, the recessive allele "b" would be passed on to the next generation, but the same would not happen with the dominate allele "A", which would be lost.
What are F1 and F2 genotypes?
F1 generation is the first filial generation, whereas F2 generation is the second filial generation obtained by crossing the F1 generation.
F1 is the first filial generation obtained by crossing two different parents. The parents are different from one another; one is homozygous dominant for both qualities, while the other is homozygous recessive. For both features, all of the progeny exhibit dominant traits. It is crucial for hybridization because it produces offspring with the best traits from both parents. Outbreeding depression, or decreased fitness in the progeny as a result of a cross between two distant parents, is occasionally observed in the F1 generation.
The F1 generation was self-crossed to produce the second filial generation. Both features are heterozygous in the parents. The generation displays a 9:3:3:1 phenotypic ratio. It is crucial for preserving a pure line or for keeping the qualities stable across several generations. Inbreeding depression in the F2 generation, when the offspring have a lower survival and fertility rate, might result from ongoing inbreeding of the F1 generation.
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PLZ HELP!!!
How are rock types affected by acid rain?
4. Kevin is tall (Tt), has brown hair (Bb), has a cleft chin (CC), and is right handed (Rr). Kevin is homozygous for his
height
handedness
hair color
cleft chin
Kevin is homozygous for his cleft chin as all other are heterozygous. So, the correct option is (D).
What is Homozygous genotype?Homozygous is defined as having inherited the same allele for a genomic marker from each biological parent, so an individual who is homozygous for a genomic marker has two identical versions of that marker. Whereas an individual who is heterozygous for a marker has two different versions of that marker.
In a diploid species there are two alleles for each trait or gene in each pair of chromosomes at the same locus, or locus with one coming from the father and the other from the mother.
An allele is one of two or more alternative forms of a gene, and are found at the same locus on chromosomes, so homozygous refers to having the same allele for a particular locus. So, in this case cleft chin is homozygous as they have same allele as compare to others.
Thus, Kevin is homozygous for his cleft chin as all other are heterozygous. So, the correct option is (D).
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Zoom out as far as possible and locate the Ring of Fire on your map. Compare the location of the volcanoes in the Ring of Fire with the nearby plate boundaries. Using the plate boundaries legend, which type of boundary is most prevalent at the location of these volcanoes?
Note that the type of boundary most prevalent at these volcanoes is: "the Divergent/Transform Plate boundary. See the attached image showing the ring of fire.
What is the ring of fire?
The Ring of Fire is an area on the Pacific Ocean's rim where frequent volcanic eruptions and earthquakes occur. The Ring of Fire is a 40,000 km long and up to 500 km broad horseshoe-shaped ring.
The Ring of Fire, also known as the Circum-Pacific Belt, is a route that runs around the Pacific Ocean that is marked by active volcanoes and frequent earthquakes. The Ring of Fire is where the bulk of Earth's volcanoes and earthquakes occur.
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Two pea plants were cross-pollinated. Both parents have the heterozygous genotype
Bb. What percent of the offspring would have the genotype bb?
A. 25%
B. 0%
C. 50%
D. 100%
Which of the following types of mining is
MOST likely to cause habitat disruption?
A. long wall method
B. room and pillar method
C. strip mining
D. subsurface mining
Answer:
strip mining is most likely to caused habitat disruption
How did this data further support the hypothesis that DNA is the transforming factor?
In a very simple experiment, Oswald Avery's group showed that DNA was the "transforming principle.
Why is DNA the transforming factor?Oswald Avery, Colin MacLeod, and Maclyn McCarty appear that DNA (not proteins) can transform the properties of cells, and simplify the chemical nature of genes. Avery, MacLeod, and McCarty recognize DNA as the "transforming principle" while learning about Streptococcus, bacteria that can cause pneumonia.
When isolated from one tension of bacteria, DNA was able to transform another strain and give out characteristics to that second strain. DNA was convey hereditary information.
So we can conclude that the transforming principle Griffith noticed was the DNA of the III-s strain bacteria.
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All of the following describe a role of a biochemical pump in active transport except for which of the following?
The respiratory system delivers clean, moist air into close contact with the blood. How is the system structured to accomplish this efficiently
The respiratory system is structured to efficiently deliver clean, moist air into close contact with the blood with the help of alveoli.
Alveoli are tiny air sacs that are found at the ends of bronchioles, and they are responsible for the gas exchange that occurs between the air and the blood. They increase the total surface area and contact between the air we breathe and the blood. Their presence is important for the efficiency of the respiratory system.
The system is also designed to filter and remove any foreign particles present in the inhaled air. This is done through the presence of cilia, mucus, and other mechanisms that help keep the airways clean, the humidification of the air, and the warmth of the air.
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why is it difficult to include water vapor in a graph of the percentages of various gases in the atmosphere? How could you solve the problem
Atmosphere is a blanket of air surrounding the earth. It is composed of different gases. It difficult to include water vapor in a graph of the percentages of various gases in the atmosphere.
What are main gases?The gases nitrogen as well as oxygen are the main gases which has been comprise 78.08 % and 20.95% by the volume respectively. The carbon dioxide has another important gas which consists of 0.036%.
In the atmosphere water vapor has been 0 to 4% but it has concentration varies in the atmosphere near different regions, for example the highest concentrations is near the equator over the oceans and tropical rain forests.
Therefore, Atmosphere is a blanket of air surrounding the earth. It is composed of different gases. It difficult to include water vapor in a graph of the percentages of various gases in the atmosphere.
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Which of the following statements is correct?
F. Accessory pigments are not involved in photosynthesis.
G. Accessory pigments add color to plants but do not absorb light energy.
H. Accessory pigments absorb colors of light that chlorophyll a cannot absorb.
J. Accessory pigments receive electrons from the electron transport chain of photosystem I.
Answer:
G. Accessory pigment add color to plant but do not absorb light energy.
Answer:
G is the correct answer!!!
Explanation:
During cellular respiration which of the following is equal to the number of atoms in carbon and glucose
Answer:
Total number of oxygen atoms in carbon dioxide and water.
During cellular respiration, the total number of oxygen atoms in carbon dioxide and water is equal to the total number of oxygen atoms in glucose and oxygen gas.
Cellular respiration is the process by which food substances such as glucose are broken down to yield energy in the form of ATP. This energy is in turn stored or used by the cells to drive cellular process such as transport.
Cellular respiration occurs in three phases namely; glycolysis, kreb's cycle and electron transport chain.
The process uses glucose and oxygen as the reactants to yield energy, and carbon dioxide an water as byproducts.
The equation for the process is;
C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
hope i helped
Explanation:
If you know the answer to this question please help!! ASAP
Three features that arachnids share with other arthropods.
Answer:
1. Segmented bodies
2. Jointed appendages
3. Tough exoskeletons
Explanation:
Your friend performed an experiment and reported that his hypothesis was proven by his dala,
this wrong? EXPLAIN!!!
Answer:
An expirement must have a variable! :) hope this help, have a good day!!
Explanation:
Select the vertebrate taxon or taxa whose origin(s) involved duplication of Hox genes.
Select all that apply.
a) Gnathostomes
b) The genus Homo
c) Craniates
Gnathostomiases The vertebrate binomial nomenclature or taxa with origin(s) involves Hox gene duplication are known as craniate.
Why does gnathostomiasis occur?Several species species parasitic worms (nematodes) of the genus Gnathostoma are responsible for human gnathostomiasis. Although it has been identified in other parts of Asia, South and Central America and also some regions of Africa, the illness is most frequently discovered and diagnosed in Southeast Asia.
Gnathostomiasis is detected in what ways?Based on clinical signs, gnathostomiasis in humans can be diagnosed. And symptoms (intermittent dermal or cutaneous migrating swelling), a raised blood eosinophil level, and a pertinent exposure history (residing in or visiting areas where the disease is endemic; consuming raw or undercooked foods fish, frog, or chicken)
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What substance is it if the molecules are moving away from each other?
Gases
In a gas, particles are in continual straight-line motion. The kinetic energy of the molecule is greater than the attractive force between them, thus they are much farther apart and move freely of each other.
Darron lost his sense of taste because a tumor caused damage to a structure located on top of his brainstem. This structure is known as the
The structure located on top of Darron's brainstem that caused him to lose his sense of taste is called the nucleus of the solitary tract (NTS).
The NTS is part of the autonomic nervous system and is responsible for relaying taste information from the tongue to the brain. The NTS is also involved in the control of breathing, blood pressure, and other bodily functions. In Darron’s case, a tumor in the vicinity of the NTS caused damage to the nerve cells in the area, resulting in a disruption of the signals that travel from the tongue to the brain. This has led to a complete loss of his sense of taste.
Although the tumor is the cause of Darron’s loss of taste, it is the damage to the NTS that is responsible for the symptom. The NTS is located in the medulla oblongata, which is a major part of the brainstem and is responsible for controlling many of the body’s involuntary functions.
The NTS is a cluster of neurons that receive taste information from the tongue, and then relay it to the brain. When the cells of the NTS are damaged, the signals that travel from the tongue to the brain are disrupted, resulting in a complete loss of taste.
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How is it possible to take a cell with 46 chromosomes and create 4 cells with 23 chromosomes each?
How do meiosis 1 and meiosis 2 differ?
Answer:
During meiosis 1, the parent cell with double the normal amount of chromosomes, splits into two diploid cells (have enough chromosomes to survive). During meiosis 2, the two diploid cells each split into two haploid cells (have half the amount of chromosomes to survive). Meiosis ends with four haploid cells.
How wet land are formed?
On floodplains where recurrent flooding or high water tables supply enough moisture, wetland formation occurs.
As rivers and streams create new channels and when floods scour the floodplain or deposit new material, these "riparian" wetlands may experience continual change.
Wetlands are transitional regions between terrestrial and aquatic ecosystems when the water table is typically at or near the surface or the area is submerged in shallow water.
One or more of the following three characteristics are required for wetlands:
1) At least occasionally, the land supports primarily hydrophytes
2) the substrate is primarily undrained hydric soil
3) at some point during the growing season of each year, the substrate is saturated with water or covered by shallow water.
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Sarah thinks that the number of worms on the sidewalk in front of her house increases after a rainfall. Which would be the best way to test her prediction?
Answer:
To collect data about the population of worms before and after the rainfall.
Explanation:
The best way to test her prediction, we have to wait for the rain and collect the data after the rain and before the rain. The difference between shows the result whether she is right or wrong. In my opinion, she is right because the worms comes out from the soil in order breathe. The rain water block the porous spaces in the soil through which the oxygen enters into the soil and the worms can breather so due to blocking no oxygen for them so they come out from the soil after rainfall.
provide 2 reasons that support a balance or homeostasis of nitrogen compounds in an ecosystem
Two reasons that support a balance or homeostasis of nitrogen compounds in an ecosystem are:1. Nitrogen is a key component of life: Nitrogen is an essential component of life, and it is the fourth most abundant element in the universe.
All living organisms, including plants, animals, and bacteria, require nitrogen to survive and thrive. Nitrogen is essential for the production of proteins and nucleic acids, which are the building blocks of life. Nitrogen compounds such as ammonia, nitrate, and nitrite are critical components of the nitrogen cycle.
Nitrogen is a limiting nutrient: Nitrogen is often a limiting nutrient in ecosystems. Nitrogen is essential for the growth and reproduction of plants, which are the foundation of most ecosystems.
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Which description is an example of a structural adaptation?
Group of answer choices
Fish have gills to breathe in water.
Monarchs migrate to Mexico in the winter.
A dog comes to its owner when called.
Many bears hibernate in caves during winter.
.:Answer:Many bears hibernate in caves during winter
Explanation:
Suppose that each fatty acid in a certain fat can make 9 molecules of acetyl CoA. Predict how many ATP can be made from the fatty acids in this fat
The number of ATP yielded through fat metabolism which makes 9 molecules of acetyl CoA is 108 ATP.
How many ATP produced on beta-oxidation?The process of metabolic reactions which convert fatty acids to acetyl CoA is called beta-oxidation. Through multiple steps in beta-oxidation, fatty acids are broken down to produce energy (ATP). Before producing the energy, fatty acids which are made up of carbons must be converted into acetyl CoA in advance.
If 9 molecules of acetyl CoA are produced, it indicates that the fatty acid has 18-Carbons. In other words, each acetyl CoA contains two carbon atoms.
Each acetyl CoA that has been produced, will enter into the citric acid cycle or known as Kreb’s cycle. This cycle yields 3 NADH (9 ATP), [tex]FADH_{2}[/tex] (2 ATP), and 1 ATP. The total ATP result is 12 ATP.
when there are 9 molecules of acetyl CoA, the ATP yielded is 9 x 12 ATP = 108 ATP.
Thus, if each fatty acid in a certain fat can make 9 molecules of acetyl CoA, the amount of ATP that can be made is 108 ATP.
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